.drop-mask {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.5);
  z-index: 999;
}
.drop-tips {
  position: fixed;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 25px;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  font-size: 18px;
  color: white;
  transform: translate3d(-50%, -50%, 0);
  background: lighten(@primary-color, 10%);
  pointer-events: none;
  z-index: 1000;
  &.show {
    display: flex;
  }
}
